Male AN Weld Bungs are Ideal for Use on Custom Fabricated Tanks and Other Components. Choose -3 to -24 AN Size in Steel or Aluminum Material.

Female AN Weld Bungs are Ideal for Use on Custom Fabricated Tanks and Other Components. Choose -3 to -16 AN Sizes.

These Female NPT Weld Fittings are Ideal for Custom Fabricated Oil Pans, Oil Tanks, Coolant Overflow Tanks, and Many Other Uses.

These Fill Caps are Available in Several Styles with Options to Fit Fuel Cells, and for Making Custom Dry Sump Tanks, Overflow Tanks, Power Steering Reservoirs, and Fuel Tanks.

These Billet Fuel Cell Caps are Available for 6-Bolt & 12-Bolt Fuel Cells.

These late model fill caps allow the easy installation of a catch tank or PCV without any modifications to the valve cover.

This Kit Includes the Adapters and Weld Fitting to Upgrade to a -20 AN Upper Radiator Hose.

O2 Sensor Bungs Are Welded To Your Headers, and Are Used for Fuel Injection Systems and Wide Band O2 Sensors. Choose from Mild Steel or Stainless Steel.

These Weld on Radiator Filler Necks are Ideal for Building Custom Radiators and Pressurized Coolant Tanks.